2007/03/09 by Gert Almkvist, Almkvist, Gert
Mathematics · Physics and Astronomy · #14J32 #Algebraic Geometry (math.AG) #Algebraic structures and combinatorial models #Black Holes and Theoretical Physics #FOS: Mathematics #Nonlinear Waves and Solitons
paper · pdf · doi:10.48550/arxiv.math/0703261
openalex publication_date 2007/03/09 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
The very few 5-th order differential equations which have 4-th order Calabi-Yau equations as pullbacks are listed. We use the pullback of Yifan Yang that in most cases has much lower degree than the usual pullback.